求助 一个多表查询
A表 Person
personid personname


B表 Car
carid carname


C表 Conn(连接表)
personid carid



查询后显示结果
personid personname carid carname


注意事项：一个person可以对应多辆车 也就是结果中carid是没有重复的，personid可以重复

[解决办法]

SQL code

with Person(personid,personname) as (select 1, 'p1' from dual),Car(carid,carname) as (select 1, 'c1'    from dual  union  select 2, 'c2' from dual),Conn(personid,carid) as (select 1, 1    from dual  union  select 1, 2 from dual)select p.personid, p.personname, c.carid, c.carname  from person p, conn con, car c where p.personid = con.personid(+) and c.carid = con.carid  PERSONID PE      CARID CA---------- -- ---------- --         1 p1          1 c1         1 p1          2 c2